MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code or redirecting users to phishing sites. Several heuristics indicate the PDF is part of a link farm hosted on compromised or disposable domains, suggesting an attempt to distribute malware or phish for credentials. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9918
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c018cd3938e---wogor.pdf
- https://leuphuotcamap.com/uploads/image/files/52702598928.pdf
- https://win-win-keiba.site/js/ckfinder/userfiles/files/xotawodiv.pdf
- http://kartywspomnien.pl/uploads/assets/file/50829467456.pdf
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/beb399ded226d6dc5d7d59ef2c5f4881/17268608017.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbfd0d60d1---jafuwopinogomamar.pdf
- https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/429f8b05ac750266031fbe8ba70c439b/xuwupid.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/6c73c6ecea729b763a427eb023851d47/86845610566.pdf
- https://akemi.ro/hirek/file/kuxiwotodarizode.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077fb5b99627---gobamuvezubojatiku.pdf
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/d336e1da3b96533e89b1676c07682e83/tolenudizirisafebudi.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/797c7ef6dfe920ea8ba410620f6ff6ac/14050528193.pdf
- http://primebrokeragetx.com/ckfinder/userfiles/files/jifopapidunukaberikep.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16075d4b88c8cb---64764725777.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f6b9071b7---kamefogewuwo.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f9b66dc36b1075fcf865989f1b706dd0/59695007909.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/3016dfc3fbc0803f8f5d59a1a6f00134/jisisotodakodotenabewoxa.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/k7l2dv5t7fh86qqctmg215rg5n/kofomosudaviraforivowifa.pdf
- http://anupbolivia.com/images/files/4234350617.pdf
- http://curry-box-deluxe.de/userfiles/file/71252147558.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/d778b46kgp20c7v3n7udas6md2/goxarafigelixiwibok.pdf
- https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/nu5l261hbndsdreh5a0mvcej7b/53883422502.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/8831150a51d4ce07c2ca05a4f6aa2749/simebezejijenopevaligola.pdf
- http://ciaooo.ru/uploades/userfiles/file/rumovotemovagojelizupeb.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=project+report+on+drip+irrigation+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f896.bin31a2f7a3bd3db0d66bfabe9ef75bef56cac9c0c9822063325a0cacf01d4f5b77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF896 | 17308 bytes |
font_01_sfnt_off000125f5.binb8dabe718c8b7db40e826644a91af1d833612774743b615bd96d5ffe15dc4c0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F5 | 10712 bytes |
font_02_sfnt_off00013e63.bina40b3c215e4c49efdc74ac77ab7f4d74041ef7b8fa8ff5a6807051df66fdec46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E63 | 5688 bytes |
font_03_sfnt_off00015282.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15282 | 16792 bytes |
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